Distillation apparatus with internal decanter

Claim 1

APPARATUS FOR SEPARATING LIQUIDS OF DIFFERENT SPECIFIC GRAVITIES AND VAPOR PRESSURE COMPRISING, IN COMBINATION; A HOLLOW, CLOSED, SUBSTANTIALLY VERTICAL CASING; MEANS TO DRAW A VACUUM IN SAID CASING; DISCHARGE MEANS FOR HEAVIER LIQUID IN THE BOTTOM OF SAID CASING, AN EXPLOSION AREA INTERMEDIATE THE TOPS AND THE BOTTOM OF SAID CASING TO EFFECT INITIAL VACUUM DISTILLATION SEPARATION, INLET MEANS TO SUPPLY TO SAID AREA A HEATED MIXTURE OF THE HEAVIER LIQUID AND LIGHTER LIQUID, AN OPEN-BOTTOMED CONDENSER MEANS IN THE TOP OF SAID CASING TO CONDENSE VAPORS OF A RICH MIXTURE OF THE LIGHTER LIQUID AND A FRACTION OF THE HEAVIER LIQUID AS THEY RISE FROM SAID EXPLOSION AREA, FLOATATION SEPARATOR MEANS MOUNTED IN SAID CASING INTERMEDIATE SAID CONDENSER MEANS AND THE EXPLOSION AREA TO COLLECT DRIPPINGS OF MIXTURE CONDENSATE FROM THE FORMER, MEANS PROVIDING FLUID PASSAGE WITHIN SAID CASING BETWEEN THE EXPLOSION AREA AND SAID CONDENSER MEANS, MEANS TO DELIVER THE LIGHTER LIQUID AFTER FLOATATION SEPARATION ABOVE AN INTERFACE LEVEL IN SAID SEPARATOR MEANS OUT OF THE LATTER AND SAID CASING, MEANS TO DELIVER THE HEAVIER LIQUID AFTER FLOATA-